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Describe how a cell produces a mature protein from DNA, including the main enzymes involved and where each stage takes place.

Initially, the double helix structure of DNA is broken down by DNA helicase in the region of the gene encoding the protein. Then the template strand of the gene is transcribed into RNA by RNA polymerase. Aft...
GJ
Answered by Glyndwr J. • Biology tutor
1743 Views

Explain the pathway of MPS following resistance exercise?

The cellular mechanism for increases in MPS post exercise is regulated through the activation of downstream components of mTOR signalling pathway (4EBP1 Thr37/46 and S6K1 Thr389) (Dreyer et al., 2006). Stimu...
CS
Answered by Christian S. • Biology tutor
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Describe the process of ventilation in humans. (4 marks)

During inhalation, the intercostal muscles contract causing the rib cage to move up and out. The diaphragm also contracts and flattens. This causes the thorax to expand, increasing the volume and decreasing ...
EC
Answered by Ella C. • Biology tutor
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What is apoptosis?

Apoptosis is programmed cell death. It is the main pathway for physiological cell death (though not the only one, see necrosis) and involves a defined set of changes to the cell: shrinkage of the nucleus, co...
SA
Answered by Sarah A. • Biology tutor
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Describe the process of translation

Translation is one of the main processes of the Central Dogma of Biology. Once the DNA has been transformed to RNA, the RNA goes through the splicing process. The spliced isoform then goes through the proces...
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Answered by Athanasia Y. • Biology tutor
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